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20130318
20130326
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technology that works well in detecting fast flames but can be slower at detecting smoky smoldering fires, the kind that often strike while you sleep. >> any of the smoke detectors you buy at a big box store will not sound in the next fire you're going to have in your house. >> that's frightening. >> very scary. and that's why people die every year, because of this problem. >> reporter: and you're about to see just how scary that can be. we had dr. russell set up a demonstration at the fire training field at texas a&m. first he placed three ionization detectors, the kind most of us have, in a room with a couch. next, firefighters set a slow, smoky fire using a soldering iron. we're watching on monitors outside. firefighters say every second counts to get your family out. but watch. the room is filling with smoke, and the smoke detectors still haven't gone off. it's been 30 minutes. >> and the smoke is all the way to where the smoke detectors are. and we still don'tave any alert from the smoke detectors. >> reporter: finally, at 36 minutes -- [ beeping ]. >> we do have a smoke detector goi
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